#include <stdio.h>
/*
 * Write a program to copy its input to its output, replacing each tab by \t, 
 * each backspace by \b, and each backslash by \\. 
 * This makes tabs and backspaces visible in an unambiguous way. 
 */

main()
{
	int car;
	
	while((car = getchar()) != EOF){
		if(car == '\t'){
			printf("\\t");
			continue;
		}
		if(car == ' '){
			printf("\\b");
			continue;
		}
		printf("%c", car);
	}	
}
